Finding the Fourth Proportional to 186,061.10, 256,761.38 and 101,177.42

Step by Step Solution

1. Step 1: Write the proportion equation
   186,061.10 : 256,761.38 = 101,177.42 : x
2. Step 2: Convert to fraction form
   186,061.10/256,761.38 = 101,177.42/x
3. Step 3: Cross multiply
   186,061.10x = 256,761.38 × 101,177.42
4. Step 4: Simplify right side
   186,061.10x = 25,978,453,984.04
5. Step 5: Solve for x
   x = 25,978,453,984.04/186,061.10
6. Step 6: Final answer
   x = 139,623.24